Vatican

Britain's Queen Elizabeth waves to Pope Francis at the end of their meeting at the Vatican, April 3, 2014.

Credit: Gregorio Borgia/AP

Pennsylvania

Philadelphia 76ers' Tony Wroten, left, and Charlotte Bobcats' Anthony Tolliver watch Wroten's shot go up during the second half of an NBA basketball game, April 2, 2014, in Philadelphia.

Credit: Matt Slocum/AP

China

People walk in a street with their faces covered as sandstorm sweeps in Urumchi, Xinjiang Province of China, April 3, 2014.

Credit: ChinaFotoPress/Getty Images

Afghanistan

An Afghan soldier, left, and a policeman peek through a window as they wait in line with others to get their registration card on the last day of voter registration for the upcoming presidential elections outside a school in Kabul, Afghanistan, April 1, 2014.

AP photographer Anja Niedringhaus was killed in Afghanistan this week.

England

Isla Roberts looks at photographers as a large blue Morpho butterfly lands on her face, as she and other children take part in a media call for a new exhibition on tropical butterflies in a temporary venue outside the Natural History Museum in London, March, 31, 2014.

Credit: Alastair Grant/AP

Gaza

Palestinian female Hamas security officers demonstrate their skills during a graduation ceremony in the northern Gaza Strip, April 2, 2014.

Credit: Adel Hana/AP

United Arab Emirates

Katharina Dietrich from Germany dressed up with horse designs attends the Dubai World Cup horse race at Meydan Racecourse in Dubai, United Arab Emirates, March 29, 2014.

Credit: Kamran Jebreili/AP

Israel

Israeli border policemen detain a Palestinian during a Land Day protest in Jerusalem, March 29, 2014.

Credit: Mahmoud Illean/AP

Iran

Iranian Shiite women mourn in a ceremony marking the death anniversary of Fatima, the daughter of Islam's Prophet Muhammad, at a central square of Tehran, Iran, April 3, 2014.

Credit: Vahid Salemi/AP

Peru

Teodocio Perez, 71, covered with a thin layer of wet sand, looks out at the Pacific Ocean during his morning exercises on the Playa de Pescadores shore in Lima, Peru, April 2, 2014.

Credit: Rodrigo Abd/AP

Crimea

Employees of the Sevastopol State Oceanarium train dolphins, in Sevastopol, Crimea, March 30, 2014.

Credit: Pavel Golovkin/AP

Egypt

Supporters of Egypt's ousted President Mohammed Morsi raise the four-finger sign, a symbol of defiance associated with the supporters, during a trial in court in Alexandria, Egypt, March 29, 2014. A court in Egypt's second-largest city sentenced two Morsi supporters to death on Saturday for throwing two people off the roof of a building during violent protests after the Islamist president was ousted, according to Egypt's state news agency.

Credit: Heba Khamis/AP

Arizona

People on the Mexican side of the international border worship while Cardinal Sean O'Malley leads mass in Nogales, Ariz., April 1, 2014.

Credit: Matt York/AP

Chile

Heavy machinery is used in the clearing of debris on the road leading to the town of Camarones, in Arica, Chile, April 3, 2014. The road was cut off due to the magnitude-8.2 quake that struck Chile's Northern coast on Tuesday.

Credit: Luis Hidalgo/AP

Texas

Lightning rips through the night sky, behind a replica Eiffel Tower in Paris, Texas, as a severe thunderstorm moved through the southern part of Lamar County, bringing high winds, rain and hail, April 3, 2014.